6:1 blocks are fine.. even if you built them yourself. 5:1 is fine also...
Main, boom and jib sheet blocks of different de-sign or make may be used provided the pu
r-chase advantage remains equal to or less than
7:1 on the mainsheet system and 3:1 on the jib
sheet system unless specified otherwise in ind
i-vidual boat class rules.
The downhaul can't be more than 6:1... the cleat must be on the lower block and fixed so it can't be adjusted from the wire.
All downhaul systems allowed prior to the u
grade effective April 1st 2005 will rem
The upgraded downhaul system shall be as
supplied by HOBIE CAT CO and shall not
exceed 6:1 purchase.
The system shall not
be reversed and must be used with the cleat
at the lower end of the system.
Blocks and cleats on the upgrade
may be replaced with similar types provided
the custom attachments to the mast base
and gooseneck supplied by HOBIE CAT CO
IHCA Rule Book 2013
2016 rev. 130104
Swivel cam cleats are not allowed. The u
graded downhaul design has some limited
movement from side to side. A
ment cams may not exceed the side to side
movement of the HOBIE CAT CO supplied
What did you do to the pylons?